Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

100%

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

$17 \frac{1}{7}$

$18 \frac{4}{7}$

Rupali Bank Ltd2010ভগ্নাংশের যোগ, বিয়োগ, গুণ ও ভাগসাধারণ গণিতবীজগণিতীয় রাশি

লগইন করুন

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?

Pipe A can fill up a tank in 40 minutes and pipe b can fill up the same tank in 30 minutes, how many inutes will it take for the pipes together to fill up the tank?